But where would the apocalypse come from? Well, it turned out two scientists in a lab – one of which was the dad from My Parents are Aliens (aka Tony Gardner) – were the answer with an out-of-control bacteria from their lab.

Viewers were typically active, loving the fact that the show ribbed Donald Trump and that the Doctor was the President of the World.

There was also a lot of love for Nardole this episode, and, unsurprisingly, Bill's noble act at the end was giving people all the feels.